#!/usr/bin/env python

################################################################################
#
# Copyright (c) 2023, Perforce Software, Inc.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1.  Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#
# 2.  Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE SOFTWARE, INC. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# DATE
#
#   $Date: 2023/04/24 $
#
# SYNOPSIS
#
#   check-move.py -p p4port -u p4user -c p4client -d client_working_dir source target 
#
# DESCRIPTION
#
# Prevent move command to be performed accross depots or branches
#
# Intented to be used as part of a before command trigger:
#
# check-move command pre-user-move "python /triggers_path/check-move.py -p %serverport% -u %user% -c %client% -d %clientcwd% %args%"
#
# REQUIREMENT
#
# P4Python must be installed: https://www.perforce.com/manuals/p4python
#
################################################################################

from __future__ import print_function
from P4 import P4, P4Exception
import argparse
import os
import sys

python3 = sys.version_info[0] >= 3

def getPath(str, depth):
    path = ""
    if str.count('/') > depth + 2: # for special case: //depot/file
       path = str.split("/")[2 + depth]
    return(path)

def main():
    parser = argparse.ArgumentParser(prog='check-move', usage='%(prog)s -p p4port -u p4user -c p4client -d client_working_dir source target')
    if python3:
       parser.add_argument("files", nargs="*", help="source and target of the move", type=os.fsencode)
    else:
       parser.add_argument("files", nargs="*", help="source and target of the move")       
    parser.add_argument("-p", "--port", dest="port", help="server:port value")
    parser.add_argument("-u", "--user", dest="user", help="user value")
    parser.add_argument("-c", "--client", dest="client", help="client value")
    parser.add_argument("-d", "--cwd", dest="cwd", help="client working directory value")
    args, unknown = parser.parse_known_args()
    if not len(args.files) == 2:
       exit(1)
    p4 = P4()
    p4.port = args.port
    p4.user = args.user
    p4.client = args.client
    p4.cwd = args.cwd
    p4.connect()
    try:
      source = p4.run_where(args.files[0])[0]['depotFile']
      target = p4.run_where(args.files[1])[0]['depotFile']
      if not getPath(source, 0) == getPath(target, 0):
         sys.exit("Unable to move files accross depots, use 'p4 integrate'/'p4 delete' for this")
      if not getPath(source, 1) == getPath(target, 1):
         sys.exit("Unable to move files accross branches, use 'p4 integrate'/'p4 delete' for this")
      exit(0)
    except P4Exception:
           for e in p4.errors: 
               exit(e)

if __name__ == '__main__':
    main()